mirror of https://github.com/grafana/grafana.git
58 lines
1.7 KiB
Go
58 lines
1.7 KiB
Go
package setting
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import (
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"encoding/json"
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"fmt"
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)
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// QuickRanges is a slice of QuickRange objects that can be directly used in frontend
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type QuickRanges []QuickRange
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// QuickRange represents a time range option in the time picker.
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// It defines a preset time range that users can select from the time picker dropdown.
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type QuickRange struct {
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// Display is the user-friendly label shown in the UI for this time range
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Display string `json:"display"`
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// From is the start of the time range in a format like "now-6h" or an absolute time
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From string `json:"from"`
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// To is the end of the time range, defaults to "now" if omitted
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To string `json:"to,omitempty"`
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}
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func (cfg *Cfg) readTimePicker() error {
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timePickerSection := cfg.Raw.Section("time_picker")
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quickRangesStr := timePickerSection.Key("quick_ranges").String()
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if quickRangesStr == "" {
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cfg.QuickRanges = []QuickRange{}
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return nil
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}
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var quickRanges []QuickRange
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err := json.Unmarshal([]byte(quickRangesStr), &quickRanges)
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if err != nil {
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cfg.Logger.Error("Failed to parse quick_ranges", "error", err)
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return fmt.Errorf("failed to parse quick_ranges: %w", err)
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}
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// Validate the quick ranges and set defaults
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for i, qr := range quickRanges {
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if qr.Display == "" {
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cfg.Logger.Error("Quick range is missing display name", "index", i)
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return fmt.Errorf("quick range at index %d is missing display name", i)
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}
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if qr.From == "" {
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cfg.Logger.Error("Quick range is missing 'from' field", "display", qr.Display)
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return fmt.Errorf("quick range '%s' is missing 'from' field", qr.Display)
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}
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// Set default value for To field if it's empty
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if qr.To == "" {
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quickRanges[i].To = "now"
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}
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}
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cfg.QuickRanges = quickRanges
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return nil
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}
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